Stapler



FIG. 1 is a perspective view of a stapler in the present design;

FIG. 2 is a front view of a stapler in the present design;

FIG. 3 is a rear view of a stapler in the present design;

FIG. 4 is a left view of a stapler clip in the present design;

FIG. 5 is a right view of a stapler in the present design;

FIG. 6 is a top view of a stapler in the present design; and,

FIG. 7 is a bottom view of a stapler in the present design. 

The ornamental design for a stapler, as shown and described. 